I just played this 5/0 KGA. In spite of some questionable moves and tactical misses on my part, I won. My 9.d4 was a chicken move and not in spirit with the gambit. 9.Bf7+ was almost screaming to be played.  13.Nf7+ looked good at the time (though it's really not), but 13. Qh5  wins outright.  O well... it's nice when the competition is worse than yourself.

9.Bxf7+ Kxf7 10.Ng5+ Ke8 11.Nf7 would win the queen. And even after 10...Kf8 no one would want to play as Black.

Still after 9.d4 it's hard to come up with anything good to stop Ng5 and Qh5.

Good Game!

Good Game!  You have inspired me to play this again.

Thanks.  I don't think it was such a good game.... it could have been had I played slightly differently but it does show that Black can become unsettled with the attack possibilities that White stirs up.

GAMBIT DE CUNNINGHAM

[...]

8.
B. le Pion du Roi, un pas.
N. le Pion de la Dame, deux pas

S'il ne sacrifioit point ce Fou, vous gagneriez encore indubitablement la partie [...]

F. A. Philidor 1754

This is the full game from Philidor's book, annotations omitted.